Spain's Socialist prime ministerial candidate Alfredo Perez Rubalcaba (L) embraces Spanish Prime Minister Jose Luis Rodriguez Zapatero during the Spanish Socialist Party (PSOE) political conference in Madrid October 2, 2011. REUTERS/Andrea Comas (SPAIN - Tags: POLITICS)
Spain's Socialist prime ministerial candidate Alfredo Perez Rubalcaba (R) embraces Foreign Minister Trinidad Jimenez (C) in front of Defense Minister Carme Chacon during the Spanish Socialist Party (PSOE) political conference in Madrid October 2, 2011. REUTERS/Andrea Comas (SPAIN - Tags: POLITICS)